adding Big Cartel and Gumroad buttons

adding gradient to Audiomack svg (from homepage logo)
redesigning Bonfire logo
changing OpenSea's colours
changing ravelry's colours
changing AniList's colours

images/icons-extended/opensea.svg

@@ -14,16 +14,7 @@
    xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
    xmlns="http://www.w3.org/2000/svg"
    xmlns:svg="http://www.w3.org/2000/svg">
-  <sodipodi:namedview
-     id="namedview1"
-     pagecolor="#ffffff"
-     bordercolor="#000000"
-     borderopacity="0.25"
-     inkscape:showpageshadow="2"
-     inkscape:pageopacity="0.0"
-     inkscape:pagecheckerboard="0"
-     inkscape:deskcolor="#d1d1d1"
-     inkscape:document-units="mm" />
+
   <g
      inkscape:label="Calque 1"
      inkscape:groupmode="layer"
@@ -34,19 +25,19 @@
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+         fill="none"
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          clip-path="url(#clipPath11)"
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+         fill="none"
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          clip-path="url(#clipPath9)"
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